150 gallon Precision Stainless Inc. T-304 stainless steel kettle. Bolted flanged dished top, welded dished bottom. Internal rated atmospheric @ 250 degrees F. Stainless jacket rated 30 psi @ 250 degrees F. NB# 4430. S/N 5603-3. Equipped with fractional HP agitator. Electro polish internal. Dual internal spray ball assembly.